GateQA — Free GATE CS Previous Year Questions & Mock Tests

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GateQA — Free GATE CS Preparation Platform

GateQA is a free GATE CS preparation platform featuring 3,500+ previous-year questions (1987–2026), 36,000+ aptitude questions, subject-wise and year-wise mock tests, performance analytics, and full offline support. Practice Operating Systems, Algorithms, DBMS, Computer Networks, Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, and more.

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Algorithms

GATE CSE 2014 Set 2 | Question: 14

Subject: Algorithms
Paper: 2014 Set 2
Consider the tree arcs of a BFS traversal from a source node $W$ in an unweighted, connected, undirected graph. The tree $T$ formed by the tree arcs is a data structure for comput…
Answer: B

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